Wes Phillips

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Acoustics From Another Position

"An audience member unhappy with the sound in their part of the auditorium can change seats, but we [concert pianists] cannot," Byron Janis says. "Therefore the position of the piano on stage is of utmost importance—moving it only a foot in either direction can make an enormous difference in the sound and therefore in the performance."

Frequency Spectra

"The United States Commerce Department's National Telecommunications and Information Administration (NTIA) spectrum chart, dated October 2003, depicts the radio frequency spectrum allocations to radio services operated within the United States. This chart graphically partitions the radio frequency spectrum, extending from 9kHz to 300GHz, into over 450 frequency bands, and uses distinct colors to distinguish the allocations for the thirty different radio services."

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